Cuadernos amarillos.
Cuadernos amarillos.
- Caracas, Editorial Grafolit, 1946-
- v. <2, 6, 12-14, 16, 19, 21-29 > illus. 24 cm.
med47003118
Public health--Congresses.
RA422 / .P25 1947b
614.06387
med47003118
Public health--Congresses.
RA422 / .P25 1947b
614.06387